EP3965192A4 - Composite negative electrode material and preparation method therefor and lithium battery - Google Patents

Composite negative electrode material and preparation method therefor and lithium battery Download PDF

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Publication number
EP3965192A4
EP3965192A4 EP20869082.6A EP20869082A EP3965192A4 EP 3965192 A4 EP3965192 A4 EP 3965192A4 EP 20869082 A EP20869082 A EP 20869082A EP 3965192 A4 EP3965192 A4 EP 3965192A4
Authority
EP
European Patent Office
Prior art keywords
preparation
negative electrode
electrode material
lithium battery
method therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20869082.6A
Other languages
German (de)
French (fr)
Other versions
EP3965192A1 (en
Inventor
Chunlei PANG
Yiming Kong
Tengyu LIANG
Jianguo Ren
Xueqin He
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BTR New Material Group Co Ltd
Dingyuan New Energy Technology Co Ltd
Original Assignee
BTR New Material Group Co Ltd
Dingyuan New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BTR New Material Group Co Ltd, Dingyuan New Energy Technology Co Ltd filed Critical BTR New Material Group Co Ltd
Publication of EP3965192A1 publication Critical patent/EP3965192A1/en
Publication of EP3965192A4 publication Critical patent/EP3965192A4/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/26—Deposition of carbon only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/4417—Methods specially adapted for coating powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0421—Methods of deposition of the material involving vapour deposition
    • H01M4/0428—Chemical vapour deposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
EP20869082.6A 2019-09-26 2020-09-25 Composite negative electrode material and preparation method therefor and lithium battery Pending EP3965192A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910918320.8A CN111162268B (en) 2019-09-26 2019-09-26 Composite negative electrode material, preparation method thereof and lithium ion battery
PCT/CN2020/117889 WO2021057923A1 (en) 2019-09-26 2020-09-25 Composite negative electrode material and preparation method therefor and lithium battery

Publications (2)

Publication Number Publication Date
EP3965192A1 EP3965192A1 (en) 2022-03-09
EP3965192A4 true EP3965192A4 (en) 2022-10-12

Family

ID=70555794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20869082.6A Pending EP3965192A4 (en) 2019-09-26 2020-09-25 Composite negative electrode material and preparation method therefor and lithium battery

Country Status (6)

Country Link
US (1) US20220320505A1 (en)
EP (1) EP3965192A4 (en)
JP (1) JP7317145B2 (en)
KR (1) KR20210129691A (en)
CN (1) CN111162268B (en)
WO (1) WO2021057923A1 (en)

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CN111162268B (en) * 2019-09-26 2021-06-18 贝特瑞新材料集团股份有限公司 Composite negative electrode material, preparation method thereof and lithium ion battery
WO2021102847A1 (en) * 2019-11-28 2021-06-03 宁德新能源科技有限公司 Negative electrode material, electrochemical device comprising same, and electronic device
CN111769264B (en) * 2020-06-18 2022-06-07 合肥国轩高科动力能源有限公司 Silicon-carbon composite material and preparation method and application thereof
CN112174155A (en) * 2020-09-28 2021-01-05 中科院过程工程研究所南京绿色制造产业创新研究院 Carbon-coated lithium orthosilicate tritium breeder and preparation method and preparation device system thereof
CN112768633B (en) * 2021-01-26 2022-08-09 蒋央芳 Preparation method of silicon-carbon cathode
CN115084493A (en) 2021-03-11 2022-09-20 Sk新能源株式会社 Negative active material for lithium secondary battery, method of forming the same, and lithium secondary battery comprising the same
CN113066985A (en) * 2021-03-29 2021-07-02 贝特瑞新材料集团股份有限公司 Composite negative electrode material, preparation method thereof and lithium ion battery
CN114436265A (en) * 2021-12-31 2022-05-06 郑州炬煌新材料科技有限公司 Device for producing silicon monoxide and method for preparing silicon monoxide by using device
EP4210126B1 (en) * 2022-01-06 2024-08-07 SK On Co., Ltd. Negative electrode including silicon-based negative electrode active material and secondary battery including the same
WO2023157743A1 (en) * 2022-02-21 2023-08-24 信越化学工業株式会社 Negative electrode active substance, mixed negative electrode active substance material, and production method for negative electrode active substance
CN114524436B (en) * 2022-02-28 2023-11-17 长沙矿冶研究院有限责任公司 Modified silicon-oxygen anode material precursor and preparation method thereof
CN114665083B (en) * 2022-03-21 2024-07-02 深圳市贝特瑞新能源技术研究院有限公司 Negative electrode material, preparation method thereof and lithium ion battery
CN114784253B (en) * 2022-05-20 2024-05-10 电子科技大学 Silicon-carbon oxide composite negative electrode material for secondary battery, preparation and application
CN115332483A (en) * 2022-10-11 2022-11-11 宁德新能源科技有限公司 Negative pole piece, electrochemical device comprising same and electronic device
CN116435493B (en) * 2023-06-07 2023-08-15 北京壹金新能源科技有限公司 Silicon-based composite material and preparation method thereof
CN116500015B (en) * 2023-06-28 2023-08-29 北京壹金新能源科技有限公司 Quality monitoring method for silicon-based composite material preparation

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Also Published As

Publication number Publication date
JP7317145B2 (en) 2023-07-28
CN111162268B (en) 2021-06-18
US20220320505A1 (en) 2022-10-06
JP2022533857A (en) 2022-07-26
EP3965192A1 (en) 2022-03-09
KR20210129691A (en) 2021-10-28
CN111162268A (en) 2020-05-15
WO2021057923A1 (en) 2021-04-01

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